Results 101 to 110 of about 20,455 (215)

Using a GIS technology to plan an agroforestry sustainable system in Sardinia [PDF]

open access: yes, 2016
This study was conducted with the aim to quantify the spread of livestock agroforestry in a Mediterranean ecosystem (island of Sardinia, Italy) and evaluate its sustainability in terms of grazing impact.
Camarda, Ignazio   +5 more
core  

NASA/USRA advanced design program, 1990 - 1991 [PDF]

open access: yes
Twenty-four UCLA students, in groups of four or five, participated in a mission design for a manned expedition to Mars that was based on the concept of mid-course refueling from electrically propelled tankers launched ahead of the manned mission.

core   +1 more source

Bulletin No. 13: What\u27s Happening Along Our Roadsides? [PDF]

open access: yes, 1962
Roadside spray practices in the National Forests, Recommended practices for Connecticu; Survey of what is actually happening.
Goodwin, Richard H.
core   +1 more source

The Effect of Recent and Futuristic Changes in Cotton Production Technology on Direct and Fixed Costs Per Acre, Mississippi, 2004 [PDF]

open access: yes
The introduction of genetically modified seed technology dramatically changed cotton production practices. Production systems based on reduced tillage and BtRR varieties improved net returns by $47.35 per acre (53%) when compared to systems based on ...
Martin, Steven W., Parvin, David W., Jr.
core   +1 more source

Incidence Rates of Agricultural Machine-Related Injuries in South Korea. [PDF]

open access: yesInt J Environ Res Public Health, 2022
Kim K, Kim H, Lee M, Jung W, Choi D.
europepmc   +1 more source

Economic Analysis and Impact of Sod Production in Texas [PDF]

open access: yes
This paper presents analysis of the cost structure for a medium-sized sod producing operation in Texas and results of a mail survey providing information on the production economics and marketing of sod in Texas.
Falconer, Lawrence L.
core   +1 more source

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